Portable ground power unit



FIG. 1 is a top perspective view of a portable ground power unit;

FIG. 2 is a front elevation view of the FIG. 1 system;

FIG. 3 is a right side elevation view of the FIG. 1 system;

FIG. 4 is a left side elevation view of the FIG. 1 system; and,

FIG. 5 is a top plane view of the FIG. 1 system.

The regularly spaced broken lines shown in the drawings are included for the purpose of illustrating portions of the article that form no part of the claimed design. The dash dot dash broken lines define the bounds of the claimed design and form no part thereof. A bottom view of the portable ground power unit is not shown because there are no ornamental features found on such a view. 

CLAIM The ornamental design for a portable ground power unit, as shown and described. 